KPC357NT_16 COSMO | Alldatasheet
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Cosmo Electronics Corp. Document No. 69P04001.3 - 1 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Description The KPC357 is DC-input single channel which contains a light emitting diode optically coupled to a phototransistor. It is packaged in a 4-pin Mini-Flat package. The input-output isolation voltage is rated at 3750 Vrms. Schematic 1. Anode 2. Cathode 3. Emitter 4. Collector Features 1. Halogen free 2. Pb free and RoHS compliant 3. Mini-flat package: compact 4 pin SOP with a 2.0mm profile 4. Current transfer ratio (CTR : Min.50% at IF=5mA Vce=5V) 5. Isolation voltage between input and output (Viso : 3750vrms). 6. MSL class 1 7. Agency Approvals:
- UL Approved (No. E169586): UL1577
- c-UL Approved (No. E169586)
- VDE Approved (No. 40014684): DIN EN 60747-5-5
- FIMKO Approved: EN60065, EN60950
- CQC Approved: GB8898-2011, GB4943.1-2011 Applications
- Hybrid substrates that require high density mounting
- Programmable controllers
- DC-DC converters
- Telecommunication equipments
Cosmo Electronics Corp. Document No. 69P04001.3 - 2 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Outside Dimension Unit : mm TOLERANCE : ±0.2mm Device Marking Notes: Cosmo 357NT YWW Y: Year code / WW: Week code □ □:CTR rank 2.54 4.40 0.40 0.50 7.00 ±0.5 ±0.4 0.10±0.10 3.90±0.5 2.0 ±0.5
Cosmo Electronics Corp. Document No. 69P04001.3 - 3 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Absolute Maximum Ratings (Ta=25℃) Parameter Symbol Rating Unit Input Forward current IF 50 mA Peak forward current IFM 1 A Reverse voltage VR 6 V Power dissipation PD 70 mW Output Collector-Emitter voltage VCEO 80 V Emitter-Collector voltage VECO 5 V Collector current IC 50 mA Collector power dissipation PC 150 mW Total power dissipation Ptot 170 mW Isolation voltage 1 minute Viso 3750 Vrms Operating temperature Topr -55 to +115 ℃ Storage temperature Tstg -55 to +125 ℃ Soldering temperature 10 seconds Tsol 260 ℃ Electro-optical Characteristics (Ta=25℃) Parameter Symbol Conditions Min. Typ. Max. Unit Input Forward voltage VF IF=20mA – 1.2 1.4 V Reverse current IR VR=4V – – 10 uA Terminal capacitance Ct V=0, f=1KHZ – 30 250 pF Output Collector dark current ICEO VCE=20V, IF=0 – – 0.1 uA Collector-Emitter breakdown voltage BVCEO Ic=100uA , IF=0 80 - - V Emitter-Collector breakdown voltage BVECO IE=100uA, IF=0 5 - - V Transfer charac- teristics Current transfer ratio CTR IF=5mA, V CE=5V 50 – 600 % IF=1mA, V CE=5V 15 – – % Collector-Emitter saturation voltage VCE(sat) IF=20mA, Ic=1mA – 0.1 0.3 V Isolation resistance Riso DC500V, 40 to 60%RH 5x1010 1011 – Ω Floating capacitance Cf V=0, f=1MHZ – 0.6 1.0 pF Response time (Rise) tr Vce=2V,Ic=2mA,RL=100Ω – 5 20 us Response time (Fall) tf – 4 20 us
Cosmo Electronics Corp. Document No. 69P04001.3 - 4 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Classification table of current transfer ratio is shown below. CTR Rank. CTR ( % ) Marking of Classification KPC357NT0A 80 TO 160 A KPC357NT0B 130 TO 260 B KPC357NT0C 200 TO 400 C KPC357NT0D 300 TO 600 D KPC357NT0E 50 TO 600 Blank,A,B,C,D,E Fig.1 Current Transfer Ratio vs. Forward Current Current Transfer Ratio CTR ( % ) 1 2 5 20 50 100 150 200 250 300 350 400 450 500 Ta=25℃ 0 10 V =5V 0.5 CE Forward Current IF (mA) Fig.2 Collector Power Dissipation vs. Ambient Temperature Fig.3 Collector Dark Current vs. Ambient Temperature Collector Power Dissipation PC ( mW ) 100 -55 0 150 200 25 55 75 100 125 Collector Dark Current ICEO ( A ) 115 -55 -11 -10 50250 75 100 CEV =20V -25 Ambient Temperature Ta (℃) Ambient Temperature Ta (℃) Fig.4 Forward Current vs. Ambient Temperature Fig.5 Forward Current vs. Forward Voltage Forward Current IF ( mA ) -55 0 25 50 75 115 125 Forward Current IF ( mA ) 1.00.50 3.02.52.01.5 500 100 200 Ta=75℃ 50℃ 25℃ -25℃ Ambient Temperature Ta (℃) Forward Voltage VF (V)
Cosmo Electronics Corp. Document No. 69P04001.3 - 5 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Fig.6 Collector Current vs. Collector-Emitter Voltage Fig.7 Relative Current Transfer Ratio vs. Ambient Temperature Collector Current IC (mA) 0 5 10 P (MAX)C I =5mAF Ta=25℃ I =10mAF I =20mAF I =30mAF Relative Current Transfer Ratio ( % ) -55 -25 25 50 11575 I =5mA Vce=5V 150 100 F Collector-Emitter Voltage VCE (V) Ambient Temperature Ta (℃) Fig.8 Collector-Emitter Saturation Voltage vs. Ambient Temperature Fig.9 Collector-Emitter Saturation Voltage vs. Forward Current Collector-Emitter Saturation Voltage VCE ( V ) 0.02 -55 0.04 200 0.06 0.08 0.12 0.10 0.16 0.14 60 80 100 I =1mA I =20mAF C 120 Collector-Emitter Saturation Voltage VCE ( V ) Ic=1mA 0 5 Ic=7mA Ic=5mA Ic=3mA Ta=25° Ic=0.5mA C Ambient Temperature Ta (℃) Forward Current IF (mA) Fig.10 Response Time (Rise) vs. Load Resistance Fig.11 Response Time (Fall) vs. Load Resistance Response Rise Time ( us ) 1010.1 tr 0.5 0.2 0.1 100
50 Ic=2mA
V =2V Ta=25°C CE Response Fall Time ( us ) 100.1 1 0.1 0.2 0.5 Ta=25° Ic=2mA V =2V100 50 C tf CE Load Resistance RL (KΩ ) Load Resistance RL (KΩ )
Cosmo Electronics Corp. Document No. 69P04001.3 - 6 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Test Circuit For Response Time Vce tr tf 90% 10% R Vcc VceIF IF L
Cosmo Electronics Corp. Document No. 69P04001.3 - 7 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Recommended Soldering Conditions (a) Infrared reflow soldering： Peak reflow soldering： Time of peak reflow temperature： Time of temperature higher than 230℃： Time to preheat temperature from 180~190℃： Time(s) of reflow： Flux： 260℃ or below (package surface temperature) 10 sec 30-60 sec 60-120 sec Two Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) Recommended Temperature Profile of Infrared Reflow 180℃ 190℃ 230℃ 260℃ 60-120 sec 30-60 sec t (s) temperature 10 sec Max. (b) Wave soldering： Temperature： Time： Preheating conditions： Time(s) of reflow： Flux： 260℃ or below (molten solder temperature) 10 seconds or less 120℃ or below (package surface temperature) One Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) (c) Cautions： Fluxes： Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent. Avoid shorting between portion of frame and leads.
Cosmo Electronics Corp. Document No. 69P04001.3 - 8 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Numbering System KPC357NT Y (Z) Notes: KPC357NT = Part No. Y = CTR rank option (A ~ E) Z = Tape and reel option (TLD、TRU) Option Description Packing quantity TLD TLD tape & reel option 3000 units per reel TRU TRU tape & reel option 3000 units per reel Recommended Pad Layout for Surface Mount Lead Form Unit : mm
Cosmo Electronics Corp. Document No. 69P04001.3 - 9 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER 4-pin Mini-Flat Carrier Tape & Reel TOLERANCE：±0.2mm
Cosmo Electronics Corp. Document No. 69P04001.3 - 10 - http://www.cosmo-ic.com cosmo KPC357NT Series 4PIN MINI -FLAT PHOTOTRANSISTOR PHOTOCOUPLER Application Notice The content of datasheet is the guidance for product use only. cosmo takes no responsibility to the accuracy of the information provided here. For continuously improving all of products, including quality, reliability, function...etc., cosmo reserves the right to change the specification, characteristics, data, materials, and structure of products without notice. Please contact with cosmo to obtain the latest specification. It would be required to comply with the abs olute maximum ratings listed in the specification. cosmo has no liability and responsibility to the damage caused by improper use of the products. cosmo products are intended to be designed for use in general electronics application list below: a. Personal computer b. OA machine c. Audio / Video d. Instrumentation e. Electrical application f. Measurement equipment g. Consumer electronics h. Telecommunication cosmo devices shall not be used or related with equipment requiring higher level of quality / re liability, or malfunction, or failure which may cause loss of human life, bodily injury, includes, without limitation: a. Medical and other life supporting equipments b. Space application c. Telecommunication equipment (trunk lines) d. Nuclear power control This publication is the property of cosmo. No part of this publication may be reproduced or copied in any form or any means electronically or mechanically for any purpose, in whole or in p art without any written permission expressed from cosmo.